127486520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{455309}}^1$

素因数の和:455327

約数の個数: 32

約数和(自身を含む): 327823200

約数和(自身を除く): 200336680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 455309, 910618, 1821236, 2276545, 3187163, 3642472, 4553090, 6374326, 9106180, 12748652, 15935815, 18212360, 25497304, 31871630, 63743260, 127486520]

約数ペア:

[(1, 127486520), (2, 63743260), (4, 31871630), (5, 25497304), (7, 18212360), (8, 15935815), (10, 12748652), (14, 9106180), (20, 6374326), (28, 4553090), (35, 3642472), (40, 3187163), (56, 2276545), (70, 1821236), (140, 910618), (280, 455309)]